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What is the Least Common Multiple of 78169 and 78185?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 78169 and 78185 is 6111643265.

LCM(78169,78185) = 6111643265

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Least Common Multiple of 78169 and 78185 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78169 and 78185, than apply into the LCM equation.

GCF(78169,78185) = 1
LCM(78169,78185) = ( 78169 × 78185) / 1
LCM(78169,78185) = 6111643265 / 1
LCM(78169,78185) = 6111643265

Least Common Multiple (LCM) of 78169 and 78185 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78169 and 78185. First we will calculate the prime factors of 78169 and 78185.

Prime Factorization of 78169

Prime factors of 78169 are 7, 13, 859. Prime factorization of 78169 in exponential form is:

78169 = 71 × 131 × 8591

Prime Factorization of 78185

Prime factors of 78185 are 5, 19, 823. Prime factorization of 78185 in exponential form is:

78185 = 51 × 191 × 8231

Now multiplying the highest exponent prime factors to calculate the LCM of 78169 and 78185.

LCM(78169,78185) = 71 × 131 × 8591 × 51 × 191 × 8231
LCM(78169,78185) = 6111643265